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Hydroxypropyl methylcellulose (HPMC) Industrial Grade Thickener in Building Materials
Hydroxypropyl methylcellulose HPMC
HPMC Product Properties: HPMC is a white or slightly yellow powder, and is odorless, tasteless and non-toxic.
Water solubility and thickening ability: HPMC can be dissolved in cold water to form a transparent viscous solution.
Dissolution in organic solvents: Because HPMC contains a certain amount of hydrophobic methoxy group, this product can be dissolved in some organic solvents, and it can also be dissolved in water and organic solvents.
Salt resistance: Since HPMC is a non-ionic and non-polyelectrolyte, it is relatively stable in aqueous solutions of metal salts or organic electrolytes.
Surface activity: The aqueous solution of HPMC as surface activity, making it emulsify, protect colloids and relative stability.
Thermal gelation: When heated to a certain temperature, the aqueous solution of HPMC can become opaque, generate precipitation, and make the solution lose viscosity. But it changed to its original solution state after gradually cooling. The temperature at which condensation and precipitation occur depends on the type of product, the concentration of the solution and the heating rate.
Low ash content: Because HPMC is non-ionic, it can be effectively refined by washing with hot water during the preparation process, so its ash content is very low.
PH stability: The viscosity of the aqueous solution of HPMC is relatively stable within the range of PH3.0-11.0.
Water retention effect: Because HPMC is hydrophilic and its aqueous solution is high viscosity. It is added to mortar, gypsum, paint, etc., to maintain high water retention in the product.
Shape retention: Compared with other water-soluble polymers, the aqueous solution of HPMC has special viscoelastic properties. Its addition has the ability to improve the shape of extruded ceramic products.
Lubricity: Adding HPMC can reduce the coefficient of friction and improve the lubricity of extruded ceramic products and cement products.
Film formation: HPMC can produce strong, flexible, transparent flakes with good oil and ester resistance
Application of hydroxypropyl methyl cellulose HPMC in building materials:
1 Cement-based plaster
⑴ Improve the uniformity, make the plaster easier to be applied on the trowel, at the same time improve the anti-sagging performance, enhance the fluidity and pumpability, and improve the work efficiency.
⑵ High water retention, extending the mortar's storage time, improving work efficiency, and conducive to the hydration and solidification of the mortar to produce high mechanical strength.
⑶ Control the introduction of air to eliminate cracks on the coating surface and form an ideal smooth surface.
2 Gypsum-based plaster and gypsum products
⑴ Improve the uniformity, make the plaster easier to be applied on the trowel, at the same time improve the anti-sagging performance, enhance the fluidity and pumpability, and improve the work efficiency.
⑵ High water retention, extending the mortar's storage time, improving work efficiency, and conducive to the hydration and solidification of the mortar to produce high mechanical strength.
⑶ Control the consistency of the mortar to form an ideal surface coating.
3 Masonry mortar
⑴ Strengthen the adhesion to the surface of the masonry, enhance the water retention, and improve the strength of the mortar.
⑵ Improve lubricity and plasticity, and improve workability; the use of cellulose ether-improved mortar makes construction easier, saves construction time and reduces construction costs.
⑶ Extra-high water-retaining cellulose ether, suitable for high-absorbent bricks.
4 Board joint filler
⑴ Excellent water retention, prolong the open time and improve work efficiency. High lubricant, easier to mix.
⑵ Improve shrinkage resistance and crack resistance, and improve coating surface quality.
⑶ Improve the adhesion of the bonding surface and provide a smooth and smooth texture.
5 Tile adhesive
⑴ It is easy to dry mix ingredients without producing clumps, increase application speed, improve construction performance, save working time and reduce working cost. To
⑵ By extending the open time, improve the efficiency of tiling and provide an excellent adhesion effect.
6 Self-leveling floor materials
⑴ Provide viscosity, which can be used as anti-settling additive. To
⑵ Enhance the pumpability of fluidity and improve the efficiency of paving the floor.
⑶ Control water retention and shrinkage, and reduce ground cracking and shrinkage.
7 Water-based paint
⑴ Prevent solid precipitation and extend the container period of the product. High biological stability, excellent compatibility with other components.
⑵ Improve fluidity, provide good splash resistance, sag resistance and leveling, and ensure excellent surface finish. To
8 wallpaper powder
⑴ Quickly dissolve without lumps, which is good for mixing.
⑵ Provide high bond strength.
9 Extrusion molding cement board
⑴ It has high cohesiveness and lubricity, and enhances the processability of extruded products.
⑵ Improve the strength of the green body, promote the hydration and solidification effect, and increase the yield.
10 HPMC products for ready-mixed mortar
The HPMC product for ready-mixed mortar has better water retention in ready-mixed mortar than ordinary products, ensuring that the inorganic cementing material is fully hydrated, and significantly preventing the decrease in bonding strength caused by too fast drying and the cracking caused by drying shrinkage. HPMC also has a certain air-entraining effect. The HPMC product specially used for ready-mixed mortar has proper air-entrainment, uniformity and small bubbles, which can improve the strength and smoothness of ready-mixed mortar. The HPMC product for ready-mixed mortar has a certain retarding effect, which can extend the open time of ready-mixed mortar and reduce the difficulty of construction. Hydroxypropyl methyl cellulose (HPMC) is a non-ionic cellulose ether made of natural polymer material cellulose through a series of chemical processing. They are an odorless, tasteless and non-toxic white powder that swells in cold water into a clear or slightly turbid colloidal solution. It has the characteristics of thickening, bonding, dispersion, emulsification, film formation, suspension, adsorption, gelation, surface properties, moisture retention and protective colloid. Hydroxypropyl methyl cellulose and methyl cellulose can be used in building materials, paint industry, synthetic resin, ceramic industry, medicine, food, textile, agriculture, daily chemical industry and other industries.
Hydroxypropyl methylcellulose (HPMC) Industrial Grade Thickener in Building Materials
Hydroxypropyl methylcellulose HPMC
HPMC Product Properties: HPMC is a white or slightly yellow powder, and is odorless, tasteless and non-toxic.
Water solubility and thickening ability: HPMC can be dissolved in cold water to form a transparent viscous solution.
Dissolution in organic solvents: Because HPMC contains a certain amount of hydrophobic methoxy group, this product can be dissolved in some organic solvents, and it can also be dissolved in water and organic solvents.
Salt resistance: Since HPMC is a non-ionic and non-polyelectrolyte, it is relatively stable in aqueous solutions of metal salts or organic electrolytes.
Surface activity: The aqueous solution of HPMC as surface activity, making it emulsify, protect colloids and relative stability.
Thermal gelation: When heated to a certain temperature, the aqueous solution of HPMC can become opaque, generate precipitation, and make the solution lose viscosity. But it changed to its original solution state after gradually cooling. The temperature at which condensation and precipitation occur depends on the type of product, the concentration of the solution and the heating rate.
Low ash content: Because HPMC is non-ionic, it can be effectively refined by washing with hot water during the preparation process, so its ash content is very low.
PH stability: The viscosity of the aqueous solution of HPMC is relatively stable within the range of PH3.0-11.0.
Water retention effect: Because HPMC is hydrophilic and its aqueous solution is high viscosity. It is added to mortar, gypsum, paint, etc., to maintain high water retention in the product.
Shape retention: Compared with other water-soluble polymers, the aqueous solution of HPMC has special viscoelastic properties. Its addition has the ability to improve the shape of extruded ceramic products.
Lubricity: Adding HPMC can reduce the coefficient of friction and improve the lubricity of extruded ceramic products and cement products.
Film formation: HPMC can produce strong, flexible, transparent flakes with good oil and ester resistance
Application of hydroxypropyl methyl cellulose HPMC in building materials:
1 Cement-based plaster
⑴ Improve the uniformity, make the plaster easier to be applied on the trowel, at the same time improve the anti-sagging performance, enhance the fluidity and pumpability, and improve the work efficiency.
⑵ High water retention, extending the mortar's storage time, improving work efficiency, and conducive to the hydration and solidification of the mortar to produce high mechanical strength.
⑶ Control the introduction of air to eliminate cracks on the coating surface and form an ideal smooth surface.
2 Gypsum-based plaster and gypsum products
⑴ Improve the uniformity, make the plaster easier to be applied on the trowel, at the same time improve the anti-sagging performance, enhance the fluidity and pumpability, and improve the work efficiency.
⑵ High water retention, extending the mortar's storage time, improving work efficiency, and conducive to the hydration and solidification of the mortar to produce high mechanical strength.
⑶ Control the consistency of the mortar to form an ideal surface coating.
3 Masonry mortar
⑴ Strengthen the adhesion to the surface of the masonry, enhance the water retention, and improve the strength of the mortar.
⑵ Improve lubricity and plasticity, and improve workability; the use of cellulose ether-improved mortar makes construction easier, saves construction time and reduces construction costs.
⑶ Extra-high water-retaining cellulose ether, suitable for high-absorbent bricks.
4 Board joint filler
⑴ Excellent water retention, prolong the open time and improve work efficiency. High lubricant, easier to mix.
⑵ Improve shrinkage resistance and crack resistance, and improve coating surface quality.
⑶ Improve the adhesion of the bonding surface and provide a smooth and smooth texture.
5 Tile adhesive
⑴ It is easy to dry mix ingredients without producing clumps, increase application speed, improve construction performance, save working time and reduce working cost. To
⑵ By extending the open time, improve the efficiency of tiling and provide an excellent adhesion effect.
6 Self-leveling floor materials
⑴ Provide viscosity, which can be used as anti-settling additive. To
⑵ Enhance the pumpability of fluidity and improve the efficiency of paving the floor.
⑶ Control water retention and shrinkage, and reduce ground cracking and shrinkage.
7 Water-based paint
⑴ Prevent solid precipitation and extend the container period of the product. High biological stability, excellent compatibility with other components.
⑵ Improve fluidity, provide good splash resistance, sag resistance and leveling, and ensure excellent surface finish. To
8 wallpaper powder
⑴ Quickly dissolve without lumps, which is good for mixing.
⑵ Provide high bond strength.
9 Extrusion molding cement board
⑴ It has high cohesiveness and lubricity, and enhances the processability of extruded products.
⑵ Improve the strength of the green body, promote the hydration and solidification effect, and increase the yield.
10 HPMC products for ready-mixed mortar
The HPMC product for ready-mixed mortar has better water retention in ready-mixed mortar than ordinary products, ensuring that the inorganic cementing material is fully hydrated, and significantly preventing the decrease in bonding strength caused by too fast drying and the cracking caused by drying shrinkage. HPMC also has a certain air-entraining effect. The HPMC product specially used for ready-mixed mortar has proper air-entrainment, uniformity and small bubbles, which can improve the strength and smoothness of ready-mixed mortar. The HPMC product for ready-mixed mortar has a certain retarding effect, which can extend the open time of ready-mixed mortar and reduce the difficulty of construction. Hydroxypropyl methyl cellulose (HPMC) is a non-ionic cellulose ether made of natural polymer material cellulose through a series of chemical processing. They are an odorless, tasteless and non-toxic white powder that swells in cold water into a clear or slightly turbid colloidal solution. It has the characteristics of thickening, bonding, dispersion, emulsification, film formation, suspension, adsorption, gelation, surface properties, moisture retention and protective colloid. Hydroxypropyl methyl cellulose and methyl cellulose can be used in building materials, paint industry, synthetic resin, ceramic industry, medicine, food, textile, agriculture, daily chemical industry and other industries.
